Conversion Settings
About URL Encoder/Decoder
Introduction
The URL Encoder/Decoder is a utility built to convert special characters in URL strings into safe formats for web transmission, and decode percent-encoded URLs back to readable paths. URLs can only contain specific alphanumeric characters; characters like spaces, quotes, and ampersands must be encoded to prevent link breakages.
This tool automates percent-encoding (such as turning spaces into "%20"). It runs entirely client-side, providing instant results with absolute privacy.
Key Features
Format link parameters and web queries safely using these URL encoding and decoding options:
- Two-Way Operations: Easily switch between URL Encoding and URL Decoding modes in real-time.
- Full Parameter Handling: Correctly encodes query arguments, hash tags, spaces, and ampersands.
- Decode Percent Coding: Translates percent-encoded characters back to human-readable strings.
- Local Parsing: Runs scripts locally in your browser, ensuring quick loading and data security.
How to Use
Prepare link queries or decode messy web parameters by following these simple steps:
- Input Web Address: Paste your URL link or query string into the input panel.
- Choose Target Action: Click "Encode" to secure query characters, or "Decode" to make URLs readable.
- Observe output parameter: Review the results immediately in the output text container.
- Copy Clean URL: Press the copy button to save the updated URL to your clipboard.
Benefits
This tool is ideal for SEO experts optimizing query links, developers managing redirect paths, and analysts auditing tracking codes. It works offline and handles large bodies of text without issues.
Because execution is client-side, your links, tokens, and query strings are never shared or sent to external servers.
Frequently Asked Questions
How do I URL encode text online?
Paste your URL or query parameters into our tool, select 'Encode', and special characters will be converted to safe percent-encoded format.
How do I decode percent-encoded URLs?
Paste your percent-encoded URL (e.g. replacing %20 with spaces) into the input, select 'Decode', and read the plain text instantly.
What is URL encoding or percent-encoding?
It is a mechanism to convert special characters in a URI into safe ASCII characters using percent signs followed by hex codes, ensuring compatibility.
Why do I need to encode URL query parameters?
URL query parameters often contain characters (like spaces, &, or ?) that have special meanings in URLs. Encoding them prevents request parsing errors.
Is there a free online URL encoder?
Yes, our URL Encoder/Decoder is completely free, secure, and runs client-side inside your browser.
What does %20 mean in a URL?
In URL percent-encoding, '%20' represents a standard space character. URLs cannot contain literal spaces, so they are encoded.
Is my URL text data private when using this tool?
Yes, all encoding and decoding calculations occur locally on your machine. Your URLs are never sent to external servers.
Does this tool support encoding full URLs or only parameters?
You can choose between 'encodeURIComponent' for query parameters and 'encodeURI' for full URL path formatting.
Can I decode URL strings on a mobile phone?
Yes, our web application is fully responsive and optimized for mobile screens, tablets, and desktops.
Why are some characters like slashes not encoded?
Standard URL encoding formats (like encodeURI) leave characters like '/', ':', and '?' unencoded to preserve URL paths and routing.
Does this tool support decoding of plus symbols (+) to spaces?
Yes, our decoder handles application/x-www-form-urlencoded format, which translates plus signs (+) back to spaces.